| 1. | Electrical technology electrical engineering 电工电子技术基础 |
| 2. | Electrical technology electrical engineering 电工电子技术基础 |
| 3. | Letter symbols to be used in electrical technology ; part 1 : general 电工技术用字母符号.第1部分:总则 |
| 4. | Letter symbols to be used in electrical technology - control technology 电气技术用字母符号.控制技术 |
| 5. | Original design of combination of optical technology and electrical technology in china 光电组合技术,国内独创。 |
| 6. | Letter symbols to be used in electrical technology - part 1 : general ; amendment 1 电气技术用字母符号.第1部分:通则.修改件1 |
| 7. | Letter symbols to be used in electrical technology - part 2 : telecommunications and electronics 电气技术用字母符号.第2部分:电信和电子学 |
| 8. | Letter symbols to be used in electrical technology - part 2 : telecommunications and electronics 电气技术用字母符号.第2部分:电信和电子学 |
| 9. | Letter symbols to be used in electrical technology - logarithmic and related quantities , and their units 电工用文字符号.对数及相关量和单位 |
| 10. | Letter symbols to be used in electrical technology - symbols for quantities to be used for rotating electrical machines 电工技术用字母符号旋转电机量的符号 |